 | | Report (volume) | | quartzite...................................... Lower coal measures............................................................. Midas or Gold Circle district........................................ Location...mine........................................... Water Witch mine...............................................:.................-..-. 63 Good Hope district..................................................... . Richmond district............................................. Lynn district................. |  | | Journal (issue) | | excursions with vehicl s always involved gallons of water and at least 3 spare tyres. Diamondiferous fossil...his passengers! Regarding the fauna and flora, water worn deep gullies have led to isolated plateaux...secondaries). mid Wales, northeast Wales, Derbyshire, Lake District, mid Pennines, North Pennines (classic for smithsonite)...around each of these areas, starting with the Lake District. Mention was made of the 10 ton block of smithsonite...its interesting report on Iron, the Pentyrchand District Local History Society has recently published an |  | | Book | | describe a group of silicate minerals that expel water when heated and seem to boil and puff up in a borax...the other framework silicates by the presence of water molecules. The general formula for a zeolite mineral...brackets, represents the exchangeable cations plus water molecules. The variables (a, n, and x) depend on...interconnected voids occupied by loosely bound cations and water molecules that can be removed and replaced without...sizes. Furniture (exchangeable cations) and people (water molecules) can be moved about within the rooms, | | | Book | | describe a group of silicate minerals that expel water when heated and seem to boil and puff up in a borax...the other framework silicates by the presence of water molecules. The general formula for a zeolite mineral...brackets, represents the exchangeable cations plus water molecules. The variables (a, n, and x) depend on...interconnected voids occupied by loosely bound cations and water molecules that can be removed and replaced without...sizes. Furniture (exchangeable cations) and people (water molecules) can be moved about within the rooms, |  | | Report (issue) | | Mo, Pb, Te, Zn Ore minerals: Arsenopyrite, chalcopyrite, galena, gold, molybdenite, nagayite, pyrite...Granite Mountain vein contains free gold, pyrite, chalcopyrite, and specks of unidentified sulfide. All parts...Capps (1915) reported that the first mill in the district was put into operation on site in 1908. In 1909...Katz (1911) reported the installation of a 2-stamp water-powered prospecting mill without concentrators....Workings (Capps, 1916) included extending the main tunnel, on the Granite Mountain vein, by driving it a |  | | Report (issue) | | MINERALOGY AS A GUIDE FOR EXPLORATION IN THE MONTEZUMA DISTRICT, CENTRAL COLORADO By Theodore Botinelly Open-File...The Montezuma district of central Colorado is a small base metal-silver mining district containing vein...more productive mines. Introduction The Montezuma district is an area of base metal-silver vein deposits...in the Colorado mineral belt and elsewhere. The district is roughly triangular in shape, with an area of...discovery of silver in Colorado was in the Montezuma district at the Coley deposit on Glacier Mountain in 1864 |  | | Book (volume) | | reworked, and spread as a vast deltaic accumulation of water absorbing sands covering tens of thousands of sq...supply of cold artesian, Rocky Mountain snow melt water. Harney Peak is the crest of the geologically notable...The November Mine, 1.2 mi. SE of the Needles Eye Tunnel, on the W side of Hwy. 87Arsenopyrite, Fluorapatite...Fairfield agates. CUSTER: N, (1) near Laughing Water Cr., many area minesColumbite, Gold, Silver, etc...Sphalerite; tunnel on US 16A (between US 16 and town), park car and take trail around tunnel, in rock piles |  | | Journal (issue) | | QUARTZ CRYSTAL LOCALilY, CRYSTAL HILL NEAR DELAWARE WATER GAP, PA. By 0. Ivan Lee ·······-··········· 372...unimportant. I. R. Vawdry, a well-known figure of the district around St. George, came across a seam of this...whose stone work may be seen in the bridge and tunnel constructions of Zion National Park, dressed some...show places, like the Albert Meyer mansion in Salt Lake City. At the same time, however, a single slab,...risk of being overpowered by the scenery of that district. N ear, far, and at middle distance, he is conf |  | | Journal (article/letter/editorial) | | occurrence (e.g., the zinc deposits of the Balmat district). The type of occurrence is indicated at the end...meionite, hedenbergite, titanite, zircon; C. Minerva Lake: scapolite, vesuvianite, augite, fluorapatite, wollastonite;...74°09'06"W): magnetite, oligoclase (sunstone); C. Saranac Lake, Indian Pass: labradorite; C. Fulton County Lassellsville...Mine Hill: quartz (flint); S. Hamilton County Long Lake, road cut on State Rte. 30 (44°02'42"N, 74°31'16"W):...C. Figure 3 (top). Scapolite, 7 × 9 cm, Minerva Lake, Essex County. Canadian Museum of Nature specimen |  | | Journal (article/letter/editorial) | | hologicat boundary,sharp/graditional Trace of water tunnel Fro. 3. The distributionof hydrothermalalteration...Glitrevanncauldron. The Hydrothermal Alteration tunnel sericitic alteration varies from millimeter-wide...ve been carried out only on samplesfrom the water tunnel (Fig. 3), argillic alteration has so far been...been possible. From studiesof samplesfrom the water tunnel it is evidentthat most of the intensepropyliticalteration...phenomena J•ssj•, Gampedalen, and within the water tunnel. In addition to the above-mentioned alteration |  | | Journal (article/letter/editorial) | | sulfidesanalyzed,suchas galena,chalcocite,and chalcopyrite were not acid treated. The superpanner was usedto...the urani• minerals. Mi Vida mine, Monticello district, San Juan Count], Utah. Polished section,plain...the picture. Hidden Splendor mine, San Rafael district, U•h. Polishedsection,plain light. OCCURRENCE...sulfideswith respectto the uraniumdeposits. The chalcopyrite,chalcocite,and galenadepositedin the uranium...are filled with clay minerals. Rifle mine, Rifle district, Garfield County, Colo. Polished section, plain |  | | Journal (article/letter/editorial) | | 01:02 01 January 2015 Minerals of the Gilman District and Eagle Mine Eagle County, Colorado WILLIAM...pedersencpg@aol.com 298 ROCKS & MINERALS T he Gilman district, in Eagle County, Colorado, and its premier mineral...Denver. The Gilman district was originally known as the Battle Mountain district and was later referred...referred to as the Red Cliff district. Much of the older (pre-1940s) literature refers to the area by one...one, or both, of these names. The district is famous for its once-prolific production of well-crystallized |  | | Report (issue) | | Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...part of district -_ _. ..____'_ Northwestern part of district--------Southern part of district. ______...region as a whole __________________ La Plata district _ . ___ _ ____-____ _ 22 23 23 24 24 26 26 26..._ ____________________________ Disseminated chalcopyrite with platinum and palladium, by G. M. Schwartz |  | | Journal (issue) | | Alpine Pink Fluorite from the New Gotthard Road Tunnel, Switzerland.....................................COVER: FLUORITE, 5.8 cm, from the New Gotthard Road Tunnel. Found in September 2022. Thomas Schüpbach photo...corner of the English Lake District that is now within the borders of the Lake District National Park. The...name, the valley carries a small stream in its lower reaches. At the eastern extremity of the mine (Ordnance...possibly copper minerals. The North vein is of Lower Devonian age, but the Brandy Gill vein is much younger |  | | Report (issue) | | The Dividend group of prospects in the Windypah district. .. _.... _._................ 117 117 Genetic..._ 36 Horizontal plan showing geology of Hickey tunnel workings ____________ .. __ ... ___ ... ___ 36... 40 Workings in middle of zone; 0, Workings in lower part of zone.______________________ Vertical cross...___ . __ _ XXI. A, Paymaster mine, Lone Mountain district; B, Corrugated, thin-bedded limestone, Mineral.... . . . . . . . 9. Geologic section along Mary tunneL _. ___ ....... _. ___ ... _.. __ . _.. ___ ... |  | | Journal (article/letter/editorial) | | Horace R. Blank. Assistant Geologist of the Board of Water Supply of the City of New York, gave the address...evening on "'fhe Minerals of New York City's New Water Tunnei." He exhibited a large coliection of the...his supervision from the sha{ts and tunnel of City Water Tunnel No. 2 which extends from Hill View Reservoir...by Mr. Merriman, Chief Engineer of the Board of Water Supply, for the most detailed geological record...Belgian Congo, associated witlr pitchblende, chalcopyrite, chalcocite, kasolite, skladowskite and malachite |  | | Journal (article/letter/editorial) | | Nineteen members of the Rock and Mineral Club of Lower Bucks County, Fairless Hills, dig for pyrite and...Alabama Mineral and Lapidary Society, Birmingham. The Lake Martin Rock and Gem Club, Alexander City, went to...Hardwicke, Mass; a dump from the dig ging of a water tunnel; Gold panning on the Wild Ammonoosic River;...mine for quartz, galena, sphalerite, pyrite, chalcopyrite, and cerussite. 551 TENNESSEE A vacationer...when visiting the Mineralogical Society of the District of Columbia. A field trip for kyanite was made |  | | Report (issue) | | host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst breccia...with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn Sacco, Peabody Museum...Johansing Leadville district: Geology and the origin of ore deposits in the Leadville district, Colorado: Part...and the origin of ore deposits in the Leadville district, Colorado: Part II. Oxygen, hydroge n, carbon...in the Leadville district, with emphasis on occurrences in th e Black Cloud mine, Lake County, Colorado |  | | Journal (volume) | | Geologist C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Francisco - District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...Francisco San Francisco TABLE OF CONTENTS REPORTS OF DISTRICT MINING ENGINEERS Page 1 Sacramento Field Division...mining activities of the State, prepared by the district mining engineers are given. Special articles dealing...possibilities, and developments). REPORTS OF DISTRICT MINING ENGINEERS In 1919-1920 the Mining Bureau |  | | Report (issue) | | Company 14 23 Silver Mountain District Silver King District Mineral Water Grover's Hot Springs 9 10...description 29 29 Hydrology 29 29 34 Climate and water supply List of watering places in Inyo County Topography...travel and routes Hints for travelers in machines Water, gas and oil Outfit Provisions Fuel Roads and railroads...Lead-Silver-Zinc 87 87 m — Marble H Mineral water L> Molybdenum H^ Niter 11T Potash 119 Quicksilver...Bodie District ! 'fSTRICT Patterson iustrict Lake, Wkst Shore and Vicinity IRTINB ICxnbral Water Bibliography |  | | Book (volume) | | burstones they needed for grinding grain in their water mills. Other collectable minerals are rare, although...fossils. GREEN (or Strontian) ISLAND, Put-in-Bay, Lake Eire, as fine crystals and large masses filling...occurs at many localities in maroon sediments of Lower Permian age, with the greatest concentrations south...production⎯Anglesite, Aragonite, Barite, Calamine, Calcite, Chalcopyrite, chert, Dolomite, Galena, Greenockite, Gypsum...of Co.), the Copper Butte Dist. (including the Lower Snake R.), regional mines, especially the Copper |  | | Book | | BOURNE: 2!!l (159(10cality uncerta1n)186)--at or near water level in the valley the Mon~ent River (now Cape...Reference 392 states n ••• layer of poorl, pre.erved water-worn wood frag•• nt. in a bed two teet thick 'betwee...Station)39Z)--.ponge apicul •• , 16 specIes ot wara-water diatoms, a radiolarian, and pollen graina ot 20...(32(42 36'19", 13 04'12")3l9)--"Lead Mine tt • short tunnel driven north, now collapsed. The graphite occurs...torms, rounded edges, and blue opalescence. ChalcopYrite (76(locality uncertaln)16l,p.l07)~ One inch |  | | Journal (article/letter/editorial) | | ceasing in 1958. The ore occurred in rich pods of chalcopyrite and other sulfides in metamorphic rocks rather...breunnerite brucite calcite cancrinite chalcocite chalcopyrite chesterite* chloritoid chromite chrysocolla...Granville talc quarry in Granville: ankerite, chalcopyrite, dolomite, magnetite, pyrite, talc. Hancock...Colchester 5 km west of Route 2: azurite, bornite, chalcopyrite, chrysocolla, dolomite, hematite, jasper, malachite...Boston mine in Berkshire: azurite, bornite, chalcopyrite, malachite. Caledonia County Grand Isle County |  | | Report (issue) | | Dorado Fresno Glenn Humboldt Inyo Kern Kings Lake Los Angeles Marin Mariposa Mendocino Merced Modoc...QUICKSILVER ORES The Author's Experiments On tables, with water By flotation, with oils By solution, with an alkaline...the New Idria mine Hot salino-sulphur water flowing from tunnel of Elgin mine Furnace at New Mercy (Pacific)...Geological map of Mayacmas District Geological map of portions of Napa, Sonoma, Lake, and Yolo counties Geological...Geological map of Sulphur Creek District Plan and elevation of Abbott mine Geological map and section of |  | | Journal (article/letter/editorial) | | subway lines, and the underground railroad, sewer, water, and steam tunnels that crisscross the city. To...that included minerals from Corlaer’s Hook on the lower east side of Manhattan. This was a large alluvial...corresponding to the old New York and Harlem Railroad tunnel under upper Park Avenue. Table 1. Abbreviations...SIM = Staten Island Museum (of the SIIAS) TBM = Tunnel-Boring Machine Volume 84, May/June 2009 4. 204-243_RM...Hill at 41.1 meters above sea level. The area of lower midtown Manhattan is largely buried by glacial and |
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